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Chassis Intrusion
A Chassis Intrusion header is located
at JL1. Attach the appropriate cable to
inform you of a chassis intrusion.
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse ports are located beside the
USB ports. See the table on the right
for pin defi nitions.
Overheat/Fan Fail LED
Connect an LED to the JOH1 header to
provide warning of a chassis overheat-
ing or fan fail condition. See the table
on the right for pin defi nitions.
SGPIO
The two headers labeled T-SGPIO-1
and T-SGPIO-2 are for SGPIO (Se-
rial General Purpose Input/Output).
SGPIO supports serial link interfaces
for onboard SATA and SAS ports. Con-
nect the appropriate cables from the
backplane to the SGPIO1 and SGPIO2
headers to utilize SATA/SAS manage-
ment functions on your system.
Chapter 5: Advanced Serverboard Setup
Chassis Intrusion
Pin Defi nitions
Pin#
Defi nition
1
Intrusion Input
2
Ground
PS/2 Keyboard and
Mouse Ports
Pin Defi nitions
Pin#
Defi nition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
Overheat/Fan Fail LED
Pin Defi nitions
Pin#
Defi nition
1
+5V
2
Active
OH/Fan Fail LED
State
Solid
Blinking
SGPIO Pin Defi nitions
Pin#
Defi nition
1
NC
3
Ground
5
Load
7
NC
Note: NC indicates no connection.
5-19
Status
Message
Overheat
Fan Fail
Pin #
Defi nition
2
NC
4
Data
6
Ground
8
NC
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